Understanding Sleep and Brain Waves

Which stage of sleep is known for vivid dreams?

• Light sleep

• Deep sleep

• REM sleep

• Stage 2 sleep

What is the primary function of sleep spindles and K complexes during sleep?

• To increase brain activity

• To consolidate memories

• To induce dreams

• To regulate body temperature

During REM sleep, why is the body effectively paralyzed?

• To prevent muscle fatigue

• To prevent acting out dreams

• To enhance dream vividness

• To conserve energy

Which brain wave is associated with deep sleep?

• Theta waves

• Delta waves

• Beta waves

• Alpha waves

What is the role of gamma waves in brain function?

• They are linked to higher cognitive functions

• They are associated with relaxation

• They are involved in deep sleep

• They are responsible for muscle movement

Why is sleep crucial for memory consolidation?

• It reduces brain activity

• It helps in processing emotions

• It allows the brain to rest

• It consolidates memories

What happens to brain cells during sleep to aid in toxin removal?

• They increase in size

• They shrink slightly

• They become inactive

• They multiply rapidly

What is a potential consequence of sleep deprivation?

• Increased energy levels

• Enhanced cognitive function

• Accumulation of brain toxins

• Improved memory

Which protein is involved in the formation of plaques in the brain?

• Amalo beta

• Gamma globulin

• Hemoglobin

• Myoglobin

What is a recommended practice to improve sleep quality?

• Sleeping in a noisy environment

• Using electronic devices before bed

• Establishing a bedtime routine

• Sleeping with bright lights on